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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is an infinite bus bar?

34 64823

In a d.c current, the power is the product of voltage and current. This relationship does not always apply to effective(r.m.s) values in an a.c circuit. Explain the reason for this.

2 4614

In a d.c circuit, if current and resistance are known, power (P=I*I*R) can be determined. This relationship also applied to an a.c circuit. Comment the reason for this.

3 3279

Explain why machinery used on a.c supply is usually rated in KVA instead of KW?

EEE, Mtandt,

10 17054

What is meant by power factor correction?

Aspire,

5 9567

when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//

1190

what is the earthing condition between earth & phase.

ABB,

3 4105

what is the earthing condition between earth & neutral.

ABB,

6 7814

how percentage impedence effect on the size of the power transformer?

Bhel,

2 5206

I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

2007

Why electrical engineer use Cu Strip for transformer neutral why not GI Strip? What if we use GI instead of Cu does it affects the transformer performance.

7 12849

WHAT IS MVA RATING OF KOTHAGUDAM THERMAL STATION POWER TRANSFORMER?

CESC, Power Grid,

2 5055

what collector is used for 100kmph-120kmph tracion application?

APTransco,

3 4031

which starter is used for synchronous motor

APTransco, IBM,

18 16915

you have an automatic voltage regulator at home for your appliances,if the voltage in your area drops from 220v to 190v,does the output of the automatic voltage regulator drops?or does it retains the 220v output?

4 4256


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Un-Answered Questions { Electrical Engineering }

How can we calculate cable size in Low voltage & high voltage

716


What is knee point voltage?

222


What are the various types of rotor used in the alternators?

188


What is the importance of earthing?

200


8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......

7493






WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

3102


what is deffrence between squirral cage and wound rotor in IM?

1087


what will happen when the dc supply is given to the capacitor?

584


Define coil span?

178


what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

1328


Anybody know how schematic diagram for reverse power relay? RPR for generator protection

1174


which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

1131


what is the constructional difference between a power transformer and potentian transformer?

859


what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

1488


Mention the disadvantages of low power factor?

205